findepi commented on code in PR #14844:
URL: https://github.com/apache/datafusion/pull/14844#discussion_r1971099360
##########
datafusion-cli/tests/cli_integration.rs:
##########
@@ -39,6 +39,10 @@ fn init() {
["--command", "select 1; select 2;", "--format", "json", "-q"],
"[{\"Int64(1)\":1}]\n[{\"Int64(2)\":2}]\n"
)]
+#[case::exec_backslash(
+ ["--file", "tests/data/backslash.txt", "--format", "json", "-q"],
+
"[{\"Utf8(\\\"\\\\\\\")\":\"\\\\\",\"Utf8(\\\"\\\\\\\\\\\")\":\"\\\\\\\\\",\"Utf8(\\\"\\\\\\\\\\\\\\\\\\\\\\\")\":\"\\\\\\\\\\\\\\\\\\\\\",\"Utf8(\\\"dsdsds\\\\\\\\\\\\\\\\\\\")\":\"dsdsds\\\\\\\\\\\\\\\\\",\"Utf8(\\\"\\\\t\\\")\":\"\\\\t\",\"Utf8(\\\"\\\\0\\\")\":\"\\\\0\",\"Utf8(\\\"\\\\n\\\")\":\"\\\\n\"}]\n"
+)]
Review Comment:
That's so many backslashes on a single line.
What does it test? How do we know it's really correct?
(when i test's semantics is debatable, it's prone to change later; it's
better to have a test that "is obviously correct")
##########
datafusion-cli/src/helper.rs:
##########
@@ -166,40 +154,8 @@ impl Validator for CliHelper {
impl Helper for CliHelper {}
-/// Unescape input string from readline.
-///
-/// The data read from stdio will be escaped, so we need to unescape the input
before executing the input
-pub fn unescape_input(input: &str) -> datafusion::error::Result<String> {
Review Comment:
So this function was the source of the bug. Per the comment above, someone
had a reason to write it though. Do you maybe know what changed? Like, did we
change how we obtain input lines?
##########
datafusion-cli/src/helper.rs:
##########
@@ -310,14 +266,13 @@ mod tests {
)?;
assert!(matches!(result, ValidationResult::Valid(None)));
- // should be invalid
let result = readline_direct(
- Cursor::new(
- r"create external table test stored as csv location
'data.csv' options ('format.delimiter' '\u{07}');"
Review Comment:
worth keeping this test case?
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